195923161 has 8 divisors (see below), whose sum is σ = 224066304. Its totient is φ = 167818560.

The previous prime is 195923089. The next prime is 195923227. The reversal of 195923161 is 161329591.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 195923161 - 2¹³ = 195914969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195923161.

It is not an unprimeable number, because it can be changed into a prime (195921161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2241 + ... + 19921.

It is an arithmetic number, because the mean of its divisors is an integer number (28008288).

Almost surely, 2^195923161 is an apocalyptic number.

It is an amenable number.

195923161 is a deficient number, since it is larger than the sum of its proper divisors (28143143).

195923161 is a wasteful number, since it uses less digits than its factorization.

195923161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19271.

The product of its digits is 14580, while the sum is 37.

The square root of 195923161 is about 13997.2554809863. The cubic root of 195923161 is about 580.8026550525.

The spelling of 195923161 in words is "one hundred ninety-five million, nine hundred twenty-three thousand, one hundred sixty-one".